CN209692699U - A kind of photovoltaic combiner box - Google Patents
A kind of photovoltaic combiner box Download PDFInfo
- Publication number
- CN209692699U CN209692699U CN201920293142.XU CN201920293142U CN209692699U CN 209692699 U CN209692699 U CN 209692699U CN 201920293142 U CN201920293142 U CN 201920293142U CN 209692699 U CN209692699 U CN 209692699U
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- CN
- China
- Prior art keywords
- plate
- wall
- air inlet
- combiner box
- antetheca
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Casings For Electric Apparatus (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides a kind of photovoltaic combiner box, including outer housing and inner housing, and outer housing is used for every rain comprising lower wall, antetheca and the side wall to connect with antetheca two sides；Antetheca is equipped with opening, and opening side is hinged with side door；The air inlet of uniform several bar shapeds is equipped on side wall from top to bottom；Wall outer surface and inner surface are respectively equipped with and the one-to-one rain-proof baffle of air inlet and return water baffle；Lower wall is transversely provided with the air outlet of several bar shapeds；Inner housing is for radiating comprising forms upper plate, lower plate, left plate, the right panel, front and rear panels of enclosure space；The rear wall inner surface of back plate and outer housing is fixed by screws；Upper plate and lower plate are transversely provided with several exhaust fans along center line, are covered with waterproof ventilated membrane on the inside of exhaust fan；Heat sink is uniformly equipped on left plate and right panel；Front and rear panels are symmetrically arranged with circuit mounting plate；Have the advantages that take into account thermal diffusivity and waterproofness.
Description
Technical field
The utility model belongs to technical field of photovoltaic power generation, and in particular to a kind of photovoltaic combiner box.
Background technique
The region that the addressing of photovoltaic plant project at present is mostly blocked on industry and commerce large-sized workshop roof etc. without obvious sunlight, and
And photovoltaic plant construction scale is generally larger.The installed capacity of biggish construction scale determines photovoltaic generating system photovoltaic array
Component count is extremely more, wiring trouble, inverter cost is high, the problems such as suffering heavy losses of being struck by lightning, it is not only to O&M monitoring and O&M
Inspection work increases complexity and difficulty, also adds cost of investment and safety issue etc..The cabinet of header box is general
Using materials such as steel plate plastic-spraying, stainless steel, engineering plastics, attractive appearance, durable, installation is simple and convenient, protection etc.
Grade reaches 54 or more IP, waterproof and dustproof, meets the outdoor requirement used for a long time, but existing header box waterproof performance compared with
Difference, and the good header box of waterproof performance is passed through frequently with closed mode waterproof, is greatly reduced the heat dissipation effect of equipment in this way, it is long
Phase work will cause the generation of the phenomenon that equipment work heat production self-damage.
Utility model content
The purpose of the utility model is to provide a kind of photovoltaic combiner boxes, to solve existing many photovoltaic combiner box waterproofness
The problem of cannot being taken into account with thermal diffusivity.
The utility model provides the following technical solution:
A kind of photovoltaic combiner box, including outer housing and inner housing, the outer housing are used for every rain comprising lower wall, antetheca
With the side wall to connect with the antetheca two sides；The antetheca is equipped with opening, and the opening side is hinged with side door；On the side wall
It is equipped with the air inlet of uniform several bar shapeds from top to bottom；The wall outer surface and inner surface are respectively equipped with and the air inlet one
One corresponding rain-proof baffle and return water baffle；The lower wall is transversely provided with the air outlet of several bar shapeds；The inner housing is for dissipating
Heat comprising form upper plate, lower plate, left plate, the right panel, front and rear panels of enclosure space；The back plate and the outer housing
Rear wall inner surface is fixed by screws；The upper plate and the lower plate are transversely provided with several exhaust fans, institute along center line
It states and is covered with waterproof ventilated membrane on the inside of exhaust fan；Heat sink, the heat dissipation are uniformly equipped in the left plate and the right panel
Plate one end extends on the inside of the left plate and the right panel, and the heat sink other end extends to outside the left plate and the right panel
Side；The foreboard and the back plate are symmetrically arranged with circuit mounting plate, and the foreboard and the left plate intersection are hinged.
Preferably, rain-proof baffle section is in arc-shaped, and one end is connect with edge on the air inlet.
Preferably, the return water baffle is in strip, and one end is connect with the air inlet lower edge, and the return water baffle
The other end is higher than the air inlet.
Preferably, the circuit mounting plate fits on the inside of the foreboard and the back plate, sets on the circuit mounting plate
The limiting slot for having several intervals vertical；The limiting slot is for installing pcb board.
Preferably, the side door outer wall is fixed with warning sign, the warning sign is triangular structure and peripheral bond have it is glimmering
Light alarming sign.
Preferably, the side outer wall of the side door is welded with handle, and the handle is c-type structure.
The beneficial effects of the utility model are:
The utility model includes outer housing and inner housing, and outer housing is used for every rain comprising side wall；Wall outer surface and interior
Surface is respectively equipped with and the one-to-one rain-proof baffle of air inlet and return water baffle；Outside by rain-proof baffle and return water baffle
Connect the entrance of rainwater；Guarantee that moisture will not enter inner housing；
Inner housing is for radiating comprising forms upper plate, lower plate, left plate, the right panel, front and rear panels of enclosure space；Afterwards
The rear wall inner surface of plate and outer housing is fixed by screws；Upper plate and lower plate are transversely provided with several air drafts along center line
Fan；Heat sink is uniformly equipped on left plate and right panel；Front and rear panels are symmetrically arranged with circuit mounting plate；Pass through what is be described below
Two kinds of operating modes, it is ensured that the high efficiency and heat radiation of fine day, the heat dissipation waterproof of rainy day.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the utility model schematic diagram of internal structure；
Fig. 2 is the utility model external structure schematic diagram；
Fig. 3 is the utility model fine day air duct schematic diagram；
Fig. 4 is the utility model rainy day air duct schematic diagram；
In the figure, it is marked as 1. outer housings, 11. side doors, 12. air inlets, 13. rain-proof baffles, 14. return water baffles, 15. outlet air
Mouthful, 2. inner housings, 21. exhaust fans, 22. heat sinks, 23. circuit mounting plates, 3. warning signs.
Specific embodiment
As shown in Figs. 1-2, a kind of photovoltaic combiner box, including outer housing 1 and inner housing 2, outer housing 1 are used for every rain, packet
Include lower wall, antetheca and the side wall to connect with antetheca two sides；Antetheca is equipped with opening, and opening side is hinged with side door 11；On side wall from
Up to the air inlet 12 for having uniform several bar shapeds；Wall outer surface and inner surface are respectively equipped with to be corresponded with air inlet 12
Rain-proof baffle 13 and return water baffle 14；Lower wall is transversely provided with the air outlet 15 of several bar shapeds；Inner housing 2 is wrapped for radiating
Include the upper plate to form enclosure space, lower plate, left plate, right panel, front and rear panels；Back plate and the rear wall inner surface of outer housing 1 pass through
Screw is fixedly connected；Upper plate and lower plate are transversely provided with several exhaust fans 21 along center line, and 21 inside of exhaust fan is covered with anti-
Water ventilated membrane；Heat sink 22 is uniformly equipped in left plate and right panel, 22 one end of heat sink extends on the inside of left plate and right panel, heat dissipation
22 other end of plate extends on the outside of left plate and right panel；Front and rear panels are symmetrically arranged with circuit mounting plate 23, and foreboard intersects with left plate
Place is hinged.
As shown in Figs. 1-2,13 section of rain-proof baffle is in arc-shaped, and one end is connect with edge on air inlet 12, return water baffle
14 be in strip, and one end is connect with 12 lower edge of air inlet, and 14 other end of return water baffle is higher than air inlet 12, circuit mounting plate
23 fit on the inside of front and rear panels, and circuit mounting plate 23 is equipped with the vertical limiting slot in several intervals；Limiting slot is for installing
Pcb board, 11 outer wall of side door are fixed with warning sign 3, and warning sign 3 is triangular structure and peripheral bond has fluorescence warning mark, side
The side outer wall of door 11 is welded with handle, and handle is c-type structure.
In the specific implementation, the exhaust fan 21 on upper plate and lower plate chooses 4, and exhaust fan 21 can connect photovoltaic conflux
Power supply inside case can also select Switching Power Supply to carry out steady pressure treatment and then power；Existing motor positive and inverse is used simultaneously
Circuit realizes the positive and negative rotation of exhaust fan 21, if air draft downwards is to rotate forward；Following example is realized by external control equipment automatic
Control is only done here for example, specific control method is not the theme of the utility model protection:
As shown in figure 3,8 exhaust fans 21 of upper plate and lower plate enable rotating forward when fine day, then air duct from air inlet 12 into
Enter, then sequentially pass through upper plate, pcb board, lower plate and air outlet 15, forms convection current with the photovoltaic combiner box external world, it constantly will be interior
The discharge of portion's heat；
As shown in figure 4,2 exhaust fans 21 total 4 in the middle part of upper plate and lower plate invert, upper plate and lower plate two when the rainy day
Total 4 rotating forwards of 2 exhaust fans 21 of side, then be that the heat on pcb board is arranged by the reversion at middle part in 2 inside air duct of inner housing
Fan 21 is drawn up, and a part circulates along between outer housing 1 and inner housing 2, and is discharged along air inlet 12；Air inlet 12
It if rain enters, can flow back away first along return water baffle 14, secondly be driven and be discharged by wind；The wind of another part along
Heat sink 22 circulates downwards, and is again returned to by middle part exhaust fan 21, is transferred heat away from by heat sink 22.
By the circulation of two kinds of operating modes and air duct, the thermal diffusivity of photovoltaic combiner box both ensure that, in turn ensure that it is anti-
It is aqueous.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (6)
1. a kind of photovoltaic combiner box, which is characterized in that including outer housing and inner housing,
The outer housing is used for every rain comprising lower wall, antetheca and the side wall to connect with the antetheca two sides；The antetheca is equipped with
Opening, the opening side is hinged with side door；The air inlet of uniform several bar shapeds is equipped on the side wall from top to bottom；The side
Wall outer surface and inner surface are respectively equipped with and the one-to-one rain-proof baffle of the air inlet and return water baffle；The lower wall is lateral
Air outlet equipped with several bar shapeds；
The inner housing is for radiating comprising forms upper plate, lower plate, left plate, the right panel, front and rear panels of enclosure space；Institute
It states back plate and the rear wall inner surface of the outer housing is fixed by screws；The upper plate and the lower plate are along center line cross
To several exhaust fans are equipped with, waterproof ventilated membrane is covered on the inside of the exhaust fan；It is uniformly worn on the left plate and the right panel
Equipped with heat sink, described heat sink one end is extended on the inside of the left plate and the right panel, and the heat sink other end extends to
On the outside of the left plate and the right panel；The foreboard and the back plate are symmetrically arranged with circuit mounting plate, the foreboard and the left side
Plate intersection is hinged.
2. a kind of photovoltaic combiner box according to claim 1, which is characterized in that rain-proof baffle section is in arc-shaped,
One end is connect with edge on the air inlet.
3. a kind of photovoltaic combiner box according to claim 1, which is characterized in that the return water baffle is in strip, one
End is connect with the air inlet lower edge, and the return water baffle other end is higher than the air inlet.
4. a kind of photovoltaic combiner box according to claim 1, which is characterized in that the circuit mounting plate fit in it is described before
On the inside of plate and the back plate, the circuit mounting plate is equipped with the vertical limiting slot in several intervals；The limiting slot is for installing
Pcb board.
5. a kind of photovoltaic combiner box according to claim 1, which is characterized in that the side door outer wall is fixed with warning sign,
The warning sign is triangular structure and peripheral bond has fluorescence warning mark.
6. a kind of photovoltaic combiner box according to claim 1, which is characterized in that the side outer wall of the side door is welded with handle
Hand, the handle are c-type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920293142.XU CN209692699U (en) | 2019-03-07 | 2019-03-07 | A kind of photovoltaic combiner box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920293142.XU CN209692699U (en) | 2019-03-07 | 2019-03-07 | A kind of photovoltaic combiner box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209692699U true CN209692699U (en) | 2019-11-26 |
Family
ID=68604067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920293142.XU Active CN209692699U (en) | 2019-03-07 | 2019-03-07 | A kind of photovoltaic combiner box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209692699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114337531A (en) * | 2021-11-15 | 2022-04-12 | 安徽灿邦电气有限公司 | Photovoltaic intelligent direct current combiner box |
-
2019
- 2019-03-07 CN CN201920293142.XU patent/CN209692699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114337531A (en) * | 2021-11-15 | 2022-04-12 | 安徽灿邦电气有限公司 | Photovoltaic intelligent direct current combiner box |
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